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9A Rosslyn Avenue Barnet EN4 8DH

26/0975/192Proposed Lawful Development CertificateApproved
Outline / PiP

Approved on 14 April 2026

Council decision: LawfulDelegated (officer decision)

Approximate site (title boundary)
Boundary © HM Land Registry, © Ordnance Survey · details

This information is subject to Crown copyright and database rights 2026 and is reproduced with the permission of HM Land Registry. The polygons (including the associated geometry, namely x, y co-ordinates) are subject to Crown copyright and database rights 2026 Ordnance Survey AC0000851063. Conditions of use.

Proposal

Roof extension involving 2no. hip to gable extensions and 1no. rear dormer window and 3no. front facing rooflights (amended)

Received
16 March 2026
Decision level
Delegated (officer decision)
Ward
East Barnet
Agent
Smart Skills Ltd
  1. Received16 Mar
  2. Validated16 Mar
  3. Consult.
  4. Target11 May
  5. Decided14 Apr

Decided in 29 days (council typically 56)

About this application

This is an outline application for a dormer extension at 9A Rosslyn Avenue Barnet EN4 8DH. Barnet has handled 2,167 applications of this type. This one was decided in 29 days, 4 weeks quicker than Barnet's typical decision time. There are no previous applications recorded at this address. In the past year there have been 80 applications across East Barnet. We hold 889 applications in total for the EN4 postcode area.

75% of outline applications at London Borough of Barnet were approved. Across all application types, the council typically decides in about 8 weeks (median).

Based on decided applications received in the last 3 years.See what's approved near your address

Application details

Postcode
EN4 8DH
Application type
Proposed Lawful Development Certificate
Scale / size
Small

Planning application dates

Date validated
16 March 2026
Target decision date
11 May 2026

Applicant and agent

Agent
Smart Skills Ltd
Architect profile
SMART SKILLS LTD
Agent address
27 Kimberley Avenue Ilford IG2 7AR

Planning decision

Statutory period
56 days

Additional information

Planning Portal ID
PP-14776182
Comments
0
Documents
13

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Article 4 direction: Article 4 Small Houses in Multiple Occupation (HMO) Area 1
  • Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (23)

flood storage areas, conservation areas, listed buildings, tree preservation orders, green belt, scheduled monuments, World Heritage Sites, World Heritage Site buffer zones, registered parks and gardens, registered battlefields, Heritage at Risk entries, nutrient neutrality catchments, national parks, National Landscapes, SSSIs, Special Areas of Conservation, Special Protection Areas, Ramsar sites, ancient woodland, national nature reserves, local nature reserves, heritage coasts and brownfield registers.

A guide only, from official open data; it is not a planning search. Flood zones cover rivers and sea, not surface water.

Data © Crown copyright and others · sources and licences

Contains public sector information from planning.data.gov.uk (MHCLG and local planning authorities), licensed under the Open Government Licence v3.0. © Crown copyright and database right 2026.

© Historic England 2026. Contains Ordnance Survey data © Crown copyright and database right 2026. The Historic England GIS Data contained in this material was obtained on 2026-11-03. The most publicly available up to date Historic England GIS Data can be obtained from HistoricEngland.org.uk.

© Natural England copyright. Contains Ordnance Survey data © Crown copyright and database right 2026.

© Environment Agency copyright and/or database right 2026. All rights reserved. Flood Map for Planning, Open Government Licence v3.0.

Contains Ordnance Survey data © Crown copyright and database right 2026.

Source: Office for National Statistics licensed under the Open Government Licence v.3.0. Contains OS data © Crown copyright and database right 2026.

Source: Barnet

Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.

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